/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.core;
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import org.opends.messages.Message;
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import java.util.ArrayList;
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import java.util.List;
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import org.opends.server.admin.server.ConfigurationAddListener;
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import org.opends.server.admin.server.ConfigurationDeleteListener;
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import org.opends.server.admin.server.ServerManagementContext;
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import org.opends.server.admin.std.server.PasswordPolicyCfg;
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import org.opends.server.admin.std.server.RootCfg;
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import org.opends.server.config.ConfigException;
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import org.opends.server.types.ConfigChangeResult;
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import org.opends.server.types.DN;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.ResultCode;
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import static org.opends.messages.ConfigMessages.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class defines a utility that will be used to manage the set of password
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* policies defined in the Directory Server. It will initialize the policies
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* when the server starts, and then will manage any additions or removals while
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* the server is running.
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*/
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public class PasswordPolicyConfigManager
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implements ConfigurationAddListener<PasswordPolicyCfg>,
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ConfigurationDeleteListener<PasswordPolicyCfg>
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{
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/**
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* Creates a new instance of this password policy config manager.
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*/
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public PasswordPolicyConfigManager()
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{
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}
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/**
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* Initializes all password policies currently defined in the Directory
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* Server configuration. This should only be called at Directory Server
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* startup.
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*
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* @throws ConfigException If a configuration problem causes the password
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* policy initialization process to fail.
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*
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* @throws InitializationException If a problem occurs while initializing
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* the password policies that is not
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* related to the server configuration.
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*/
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public void initializePasswordPolicies()
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throws ConfigException, InitializationException
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{
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// Get the root configuration object.
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ServerManagementContext managementContext =
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ServerManagementContext.getInstance();
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RootCfg rootConfiguration =
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managementContext.getRootConfiguration();
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// Register as an add and delete listener with the root configuration so we
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// can be notified if any password policy entries are added or removed.
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rootConfiguration.addPasswordPolicyAddListener(this);
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rootConfiguration.addPasswordPolicyDeleteListener(this);
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// First, get the configuration base entry.
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String[] passwordPoliciesName = rootConfiguration.listPasswordPolicies() ;
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// See if the base entry has any children. If not, then that means that
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// there are no policies defined, so that's a problem.
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if (passwordPoliciesName.length == 0)
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{
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Message message = ERR_CONFIG_PWPOLICY_NO_POLICIES.get();
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throw new ConfigException(message);
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}
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// Get the DN of the default password policy from the core configuration.
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if( null == DirectoryServer.getDefaultPasswordPolicyDN())
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{
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Message message = ERR_CONFIG_PWPOLICY_NO_DEFAULT_POLICY.get();
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throw new ConfigException(message);
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}
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// Iterate through the child entries and process them as password policy
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// configuration entries.
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for (String passwordPolicyName : passwordPoliciesName)
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{
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PasswordPolicyCfg passwordPolicyConfiguration =
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rootConfiguration.getPasswordPolicy(passwordPolicyName);
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try
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{
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PasswordPolicy policy = new PasswordPolicy(passwordPolicyConfiguration);
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PasswordPolicyConfig config = new PasswordPolicyConfig(policy);
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DirectoryServer.registerPasswordPolicy(
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passwordPolicyConfiguration.dn(), config);
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passwordPolicyConfiguration.addChangeListener(config);
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}
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catch (ConfigException ce)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(passwordPolicyConfiguration.dn()), ce.getMessage());
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throw new ConfigException(message, ce);
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}
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catch (InitializationException ie)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(passwordPolicyConfiguration.dn()), ie.getMessage());
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throw new InitializationException(message, ie);
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}
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catch (Exception e)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.
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get(String.valueOf(passwordPolicyConfiguration.dn()),
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stackTraceToSingleLineString(e));
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throw new InitializationException(message, e);
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}
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}
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// If the entry specified by the default password policy DN has not been
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// registered, then fail.
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if (null == DirectoryServer.getDefaultPasswordPolicy())
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{
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DN defaultPolicyDN = DirectoryServer.getDefaultPasswordPolicyDN();
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Message message = ERR_CONFIG_PWPOLICY_MISSING_DEFAULT_POLICY.get(
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String.valueOf(defaultPolicyDN));
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throw new ConfigException(message);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isConfigurationAddAcceptable(PasswordPolicyCfg configuration,
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List<Message> unacceptableReason)
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{
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// See if we can create a password policy from the provided configuration
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// entry. If so, then it's acceptable.
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try
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{
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new PasswordPolicy(configuration);
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}
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catch (ConfigException ce)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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ce.getMessage());
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unacceptableReason.add(message);
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return false;
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}
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catch (InitializationException ie)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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ie.getMessage());
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unacceptableReason.add(message);
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return false;
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}
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catch (Exception e)
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{
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Message message = ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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stackTraceToSingleLineString(e));
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unacceptableReason.add(message);
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return false;
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}
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// If we've gotten here, then it is acceptable.
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public ConfigChangeResult applyConfigurationAdd(
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PasswordPolicyCfg configuration)
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{
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DN configEntryDN = configuration.dn();
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ArrayList<Message> messages = new ArrayList<Message>();
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// See if we can create a password policy from the provided configuration
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// entry. If so, then register it with the Directory Server.
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try
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{
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PasswordPolicy policy = new PasswordPolicy(configuration);
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PasswordPolicyConfig config = new PasswordPolicyConfig(policy);
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DirectoryServer.registerPasswordPolicy(configEntryDN, config);
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configuration.addChangeListener(config);
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return new ConfigChangeResult(ResultCode.SUCCESS, false, messages);
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}
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catch (ConfigException ce)
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{
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messages.add(ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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ce.getMessage()));
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return new ConfigChangeResult(ResultCode.CONSTRAINT_VIOLATION, false,
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messages);
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}
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catch (InitializationException ie)
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{
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messages.add(ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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ie.getMessage()));
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return new ConfigChangeResult(DirectoryServer.getServerErrorResultCode(),
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false, messages);
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}
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catch (Exception e)
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{
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messages.add(ERR_CONFIG_PWPOLICY_INVALID_POLICY_CONFIG.get(
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String.valueOf(configuration.dn()),
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stackTraceToSingleLineString(e)));
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return new ConfigChangeResult(DirectoryServer.getServerErrorResultCode(),
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false, messages);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isConfigurationDeleteAcceptable(
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PasswordPolicyCfg configuration, List<Message> unacceptableReason)
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{
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// We'll allow the policy to be removed as long as it isn't the default.
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// FIXME: something like a referential integrity check is needed to ensure
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// a policy is not removed when referenced by a user entry (either
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// directly or via a virtual attribute).
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DN defaultPolicyDN = DirectoryServer.getDefaultPasswordPolicyDN();
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if ((defaultPolicyDN != null) &&
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defaultPolicyDN.equals(configuration.dn()))
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{
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Message message = WARN_CONFIG_PWPOLICY_CANNOT_DELETE_DEFAULT_POLICY.get(
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String.valueOf(defaultPolicyDN));
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unacceptableReason.add(message);
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return false;
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}
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else
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{
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return true;
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}
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}
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/**
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* {@inheritDoc}
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*/
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public ConfigChangeResult applyConfigurationDelete(
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PasswordPolicyCfg configuration)
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{
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// We'll allow the policy to be removed as long as it isn't the default.
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// FIXME: something like a referential integrity check is needed to ensure
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// a policy is not removed when referenced by a user entry (either
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// directly or via a virtual attribute).
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ArrayList<Message> messages = new ArrayList<Message>(1);
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DN policyDN = configuration.dn();
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DN defaultPolicyDN = DirectoryServer.getDefaultPasswordPolicyDN();
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if ((defaultPolicyDN != null) && defaultPolicyDN.equals(policyDN))
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{
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messages.add(WARN_CONFIG_PWPOLICY_CANNOT_DELETE_DEFAULT_POLICY.get(
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String.valueOf(defaultPolicyDN)));
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return new ConfigChangeResult(ResultCode.CONSTRAINT_VIOLATION, false,
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messages);
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}
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DirectoryServer.deregisterPasswordPolicy(policyDN);
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PasswordPolicyConfig config =
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DirectoryServer.getPasswordPolicyConfig(policyDN);
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if (config != null)
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{
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configuration.removeChangeListener(config);
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}
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messages.add(INFO_CONFIG_PWPOLICY_REMOVED_POLICY.get(
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String.valueOf(policyDN)));
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return new ConfigChangeResult(ResultCode.SUCCESS, false, messages);
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}
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}
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